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Question

Select the combination of letters that when sequentially placed in the blanks will create a repetitive pattern.

mmnn _, _ pmmnnnp _, _ mnnn _, _

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
n, p, p, m, p, p

We are given a sequence with blanks: 
mmnn _, _ pmmnnnp _, _ mnnn _, _

Our task is to fill the blanks with letters to create a repetitive pattern. Let's analyze the sequence:

  1. The initial pattern is "mmnn". Let's place the letters in the blanks to see the pattern.
  2. For each option, replace the blanks and check for repetition.

Let's consider the correct option: n, p, p, m, p, p

  1. Fill in the blanks: "mmnn n, p, p, m, p, p pmmnnnp n, p, mnnn n, p"
  2. Observe the sequence: 
    "mmnn n, p, p" 
    repeats " npp" followed by " pmnnn"
  3. This option precisely matches a repetitive pattern sequence, confirming the repetitive block as "n, p, p, m, p, p".
  4. By placing the letters sequentially from the option, we achieve the desired sequence structure.

Hence, the combination correctly fits and forms a repetitive pattern. Thus, the correct combination of letters is: n, p, p, m, p, p.

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